linux-kernel - [PATCH v2 4/4] MIPS: Loongson64: Load platform device during boot

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Date:   Tue, 14 Nov 2017 09:26:49 +0800
From:   Jiaxun Yang <jiaxun.yang@...goat.com>
To:     Ralf Baechle <ralf@...ux-mips.org>
Cc:     linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org,
        Jiaxun Yang <jiaxun.yang@...goat.com>
Subject: [PATCH v2 4/4] MIPS: Loongson64: Load platform device during boot

This patch just add pdev during boot to load the platform driver

Signed-off-by: Jiaxun Yang <jiaxun.yang@...goat.com>
---
 arch/mips/loongson64/lemote-2f/Makefile   |  2 +-
 arch/mips/loongson64/lemote-2f/platform.c | 45 +++++++++++++++++++++++++++++++
 2 files changed, 46 insertions(+), 1 deletion(-)
 create mode 100644 arch/mips/loongson64/lemote-2f/platform.c

diff --git a/arch/mips/loongson64/lemote-2f/Makefile b/arch/mips/loongson64/lemote-2f/Makefile
index 08b8abcbfef5..31c90737b98c 100644
--- a/arch/mips/loongson64/lemote-2f/Makefile
+++ b/arch/mips/loongson64/lemote-2f/Makefile
@@ -2,7 +2,7 @@
 # Makefile for lemote loongson2f family machines
 #
 
-obj-y += clock.o machtype.o irq.o reset.o ec_kb3310b.o
+obj-y += clock.o machtype.o irq.o reset.o ec_kb3310b.o platform.o
 
 #
 # Suspend Support
diff --git a/arch/mips/loongson64/lemote-2f/platform.c b/arch/mips/loongson64/lemote-2f/platform.c
new file mode 100644
index 000000000000..c36efcccb9a9
--- /dev/null
+++ b/arch/mips/loongson64/lemote-2f/platform.c
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2017 Jiaxun Yang.
+ * Author: Jiaxun Yang, jiaxun.yang@...goat.com
+
+ * Copyright (C) 2009 Lemote Inc.
+ * Author: Wu Zhangjin, wuzhangjin@...il.com
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/err.h>
+#include <linux/platform_device.h>
+
+#include <asm/bootinfo.h>
+
+static struct platform_device yeeloong_pdev = {
+	.name = "yeeloong_laptop",
+	.id = -1,
+};
+
+
+static int __init lemote2f_platform_init(void)
+{
+	struct platform_device *pdev = NULL;
+
+	switch (mips_machtype) {
+	case MACH_LEMOTE_YL2F89:
+		pdev = &yeeloong_pdev;
+		break;
+
+	default:
+		break;
+
+	}
+
+	if (pdev != NULL)
+		return platform_device_register(pdev);
+
+	return -ENODEV;
+}
+
+arch_initcall(lemote2f_platform_init);
-- 
2.14.1